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Alpha-unstable flows and the fast dynamo problem

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  • UserMichele Coti Zelati (Imperial College)
  • ClockMonday 16 February 2026, 14:00-15:00
  • HouseMR3.

If you have a question about this talk, please contact Zoe Wyatt .

The fast dynamo problem concerns the generation and maintenance of magnetic fields by fluid motion through the process of electromagnetic induction. In passive vector advection, this can be formulated as the exponential growth of the magnetic energy, at a resistivity-independent rate. In this talk, I will provide a construction of a Lipschitz, divergence-free and time-independent velocity field that is a fast dynamo on the whole space.

This talk is part of the Geometric Analysis & Partial Differential Equations seminar series.

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